Refine your search
Collections
Journals
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Mondal, Arpita
- Freibergite from Polymetallic Sulphide Deposits of the Delhi-Aravalli Belt, Rajasthan
Abstract Views :176 |
PDF Views:2
Authors
Affiliations
1 Department of Geological Sciences, Jadavpur University, Calcutta - 700 032, IN
2 Centre for Geological Studies, 44/17, B.T. Road, Calcutta -700 050, IN
1 Department of Geological Sciences, Jadavpur University, Calcutta - 700 032, IN
2 Centre for Geological Studies, 44/17, B.T. Road, Calcutta -700 050, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 52, No 5 (1998), Pagination: 543-547Abstract
The polymetallic sulphide are deposits of Delhi-Aravalli orogenic belt exhibit occurrerce of freibergite (a mineral of fahlore group) as a major source for recovery of silver as an important byproduct. EPMA data on the chemistry offreibergite is presented. In order to obtain optimal recovery of Ag from the ores of these deposits, selective flotation of freibergite is suggested.Keywords
Economic Geology, Ore Mineralogy, Freibergite, Delhi-Aravalli Belt, Rajasthan.
- Memory Problems after COVID Infection: An Exploratory Study
Abstract Views :136 |
PDF Views:0
Authors
Affiliations
1 Postgraduate Student, Department of Psychology University of Calcutta, Kolkata, IN
2 Postgraduate Student, Department of Psychology, University of Calcutta, Kolkata, IN
3 Associate Professor, Department of Psychology, University of Calcutta, Kolkata, IN
1 Postgraduate Student, Department of Psychology University of Calcutta, Kolkata, IN
2 Postgraduate Student, Department of Psychology, University of Calcutta, Kolkata, IN
3 Associate Professor, Department of Psychology, University of Calcutta, Kolkata, IN
Source
Indian Journal of Health and Wellbeing, Vol 13, No 2 (2022), Pagination: 132-136Abstract
The current study tries to explore the effect of severity and duration of recovery from COVID-19 infection on visual memory scanning ability in 55 male and 65 female individuals with a mean age of 28.3 years (SD = 7.61). An android-based application (Psych Lab 101 version 2.1.2) was used to administer the Sternberg scanning test and visual memory scanning ability was indexed on the basis of accuracy and reaction time. The severity of the COVID- 19 infection was measured on the basis of a self-report measure “scale for subjective severity of COVID-19”. There were four groups of participants who were categorized on the basis of duration of recovery from COVID-19 infection, viz., “3 months”, “6 months” and “9 months” and one group “with no history of COVID-19 infection”. There was a significant statistical difference (p < 0.05) between the groups of subjects in terms of their reaction time (RT) in the memory task; the maximum response latency being shown by subjects who had most recently recovered from COVID-19. There was no significant difference between the four groups in terms of accuracy. The findings of the present study imply that COVID-19 infection creates mild deficits in cognitive functioning in recovered patients evidenced in terms of increased processing speed and the deficit is more in recently recovered patients.Keywords
COVID-19, visual memory, cognitive deficitsReferences
- Arica-Polat, B. S., Gündoğdu, A. A., Cinar, N., Uncu, G., Ayas, Z. O., Iseri, P., & Adapinar, D. O. (2022). Evaluation of cognitive deficits in patients infected with COVID-19. European Review for Medical and Pharmacological Sciences, 26(2), 678-685.
- Baddeley, A. (2003). Working memory: Looking back and looking forward. Nature Reviews Neuroscience, 4(10), 829-839.
- Becker, J. H., Lin, J. J., Doernberg, M., Stone, K., Navis, A., Festa, J. R., & Wisnivesky, J. P. (2021). Assessment of cognitive function in patients after COVID-19 infection. JAMA Network Open, 4(10), e2130645-e2130645.
- Bullrich, M. B., Fridman, S., Mandzia, J. L., Mai, L. M., Khaw, A., Gonzalez, J. C. V., & Sposato, L. A. (2020). COVID-19: Stroke admissions, emergency department visits, and prevention clinic referrals. Canadian Journal of Neurological Sciences, 47(5), 693-696.
- Crivelli, L., Palmer, K., Calandri, I., Guekht, A., Beghi, E., Carroll, W., & Kivipelto, M. (2022). Changes in cognitive functioning after COVID-19: A systematic review and meta-analysis. Alzheimer's and Dementia, 18(5), 869-1078.
- Hampshire, A., Trender, W., Chamberlain, S. R., Jolly, A. E., Grant, J. E., Patrick, F., & Mehta, M. A. (2021). Cognitive deficits in people who have recovered from COVID-19. Clinical Medicine, 39, 101044.
- Jaywant, A., Vanderlind, W. M., Alexopoulos, G. S., Fridman, C. B., Perlis, R. H., & Gunning, F. M. (2021). Frequency and profile of objective cognitive deficits in hospitalized patients recovering from COVID-19. Neuropsychopharmacology, 46(13), 2235-2240.
- Kantonen, J., Mahzabin, S., Mäyränpää, M. I., Tynninen, O., Paetau, A., Andersson, N., & Myllykangas, L. (2020). Neuropathologic features of four autopsied COVID-19 patients. Brain Pathology, 30(6), 1012-1016.
- Lambert, P. H., Ambrosino, D. M., Andersen, S. R., Baric, R. S., Black, S. B., Chen, R. T., & Cramer, J. P. (2020). Consensus summary report for CEPI/BC March 12-13, 2020 meeting: Assessment of risk of disease enhancement with COVID-19 vaccines. Vaccine, 38(31), 4783-4791.
- Liotta, E. M., Batra, A., Clark, J. R., Shlobin, N. A., Hoffman, S. C., Orban, Z. S., & Koralnik, I. J. (2020). Frequent neurologic manifestations and encephalopathyassociated morbidity in COVID-19 patients. Annals of Clinical and Translational Neurology, 7(11), 2221-2230.
- Miskowiak, K. W., Johnsen, S., Sattler, S. M., Nielsen, S., Kunalan, K., Rungby, J., & Porsberg, C. M. (2021). Cognitive impairments four months after COVID-19 hospital discharge: Pattern, severity and association with illness variables. European Neuropsychopharmacology, 46, 39-48.
- Perego, E., Callard, F., Stras, L., Melville-Jóhannesson, B., Pope, R., & Alwan, N. A. (2020). Why the patient-made term 'long Covid' is needed. Well-come Open Research, 5(224), 224.
- Zhao, S., Shibata, K., Hellyer, P. J., Trender, W., Manohar, S., Hampshire, A., & Husain, M. (2022). Rapid vigilance and episodic memory decrements in COVID-19 survivors. Brain Communications, 4(1), fcab295.